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5e6e3a92 BZ |
1 | /* |
2 | * Marvell Wireless LAN device driver: debugfs | |
3 | * | |
65da33f5 | 4 | * Copyright (C) 2011-2014, Marvell International Ltd. |
5e6e3a92 BZ |
5 | * |
6 | * This software file (the "File") is distributed by Marvell International | |
7 | * Ltd. under the terms of the GNU General Public License Version 2, June 1991 | |
8 | * (the "License"). You may use, redistribute and/or modify this File in | |
9 | * accordance with the terms and conditions of the License, a copy of which | |
10 | * is available by writing to the Free Software Foundation, Inc., | |
11 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the | |
12 | * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. | |
13 | * | |
14 | * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE | |
15 | * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE | |
16 | * ARE EXPRESSLY DISCLAIMED. The License provides additional details about | |
17 | * this warranty disclaimer. | |
18 | */ | |
19 | ||
20 | #include <linux/debugfs.h> | |
21 | ||
22 | #include "main.h" | |
23 | #include "11n.h" | |
24 | ||
25 | ||
26 | static struct dentry *mwifiex_dfs_dir; | |
27 | ||
28 | static char *bss_modes[] = { | |
f873ded2 MG |
29 | "UNSPECIFIED", |
30 | "ADHOC", | |
31 | "STATION", | |
32 | "AP", | |
33 | "AP_VLAN", | |
34 | "WDS", | |
35 | "MONITOR", | |
36 | "MESH_POINT", | |
37 | "P2P_CLIENT", | |
38 | "P2P_GO", | |
39 | "P2P_DEVICE", | |
5e6e3a92 BZ |
40 | }; |
41 | ||
42 | /* size/addr for mwifiex_debug_info */ | |
43 | #define item_size(n) (FIELD_SIZEOF(struct mwifiex_debug_info, n)) | |
44 | #define item_addr(n) (offsetof(struct mwifiex_debug_info, n)) | |
45 | ||
46 | /* size/addr for struct mwifiex_adapter */ | |
47 | #define adapter_item_size(n) (FIELD_SIZEOF(struct mwifiex_adapter, n)) | |
48 | #define adapter_item_addr(n) (offsetof(struct mwifiex_adapter, n)) | |
49 | ||
50 | struct mwifiex_debug_data { | |
51 | char name[32]; /* variable/array name */ | |
52 | u32 size; /* size of the variable/array */ | |
53 | size_t addr; /* address of the variable/array */ | |
54 | int num; /* number of variables in an array */ | |
55 | }; | |
56 | ||
57 | static struct mwifiex_debug_data items[] = { | |
58 | {"int_counter", item_size(int_counter), | |
59 | item_addr(int_counter), 1}, | |
60 | {"wmm_ac_vo", item_size(packets_out[WMM_AC_VO]), | |
61 | item_addr(packets_out[WMM_AC_VO]), 1}, | |
62 | {"wmm_ac_vi", item_size(packets_out[WMM_AC_VI]), | |
63 | item_addr(packets_out[WMM_AC_VI]), 1}, | |
64 | {"wmm_ac_be", item_size(packets_out[WMM_AC_BE]), | |
65 | item_addr(packets_out[WMM_AC_BE]), 1}, | |
66 | {"wmm_ac_bk", item_size(packets_out[WMM_AC_BK]), | |
67 | item_addr(packets_out[WMM_AC_BK]), 1}, | |
5e6e3a92 BZ |
68 | {"tx_buf_size", item_size(tx_buf_size), |
69 | item_addr(tx_buf_size), 1}, | |
70 | {"curr_tx_buf_size", item_size(curr_tx_buf_size), | |
71 | item_addr(curr_tx_buf_size), 1}, | |
72 | {"ps_mode", item_size(ps_mode), | |
73 | item_addr(ps_mode), 1}, | |
74 | {"ps_state", item_size(ps_state), | |
75 | item_addr(ps_state), 1}, | |
76 | {"is_deep_sleep", item_size(is_deep_sleep), | |
77 | item_addr(is_deep_sleep), 1}, | |
78 | {"wakeup_dev_req", item_size(pm_wakeup_card_req), | |
79 | item_addr(pm_wakeup_card_req), 1}, | |
80 | {"wakeup_tries", item_size(pm_wakeup_fw_try), | |
81 | item_addr(pm_wakeup_fw_try), 1}, | |
82 | {"hs_configured", item_size(is_hs_configured), | |
83 | item_addr(is_hs_configured), 1}, | |
84 | {"hs_activated", item_size(hs_activated), | |
85 | item_addr(hs_activated), 1}, | |
86 | {"num_tx_timeout", item_size(num_tx_timeout), | |
87 | item_addr(num_tx_timeout), 1}, | |
0c9c4a09 AK |
88 | {"is_cmd_timedout", item_size(is_cmd_timedout), |
89 | item_addr(is_cmd_timedout), 1}, | |
5e6e3a92 BZ |
90 | {"timeout_cmd_id", item_size(timeout_cmd_id), |
91 | item_addr(timeout_cmd_id), 1}, | |
92 | {"timeout_cmd_act", item_size(timeout_cmd_act), | |
93 | item_addr(timeout_cmd_act), 1}, | |
94 | {"last_cmd_id", item_size(last_cmd_id), | |
95 | item_addr(last_cmd_id), DBG_CMD_NUM}, | |
96 | {"last_cmd_act", item_size(last_cmd_act), | |
97 | item_addr(last_cmd_act), DBG_CMD_NUM}, | |
98 | {"last_cmd_index", item_size(last_cmd_index), | |
99 | item_addr(last_cmd_index), 1}, | |
100 | {"last_cmd_resp_id", item_size(last_cmd_resp_id), | |
101 | item_addr(last_cmd_resp_id), DBG_CMD_NUM}, | |
102 | {"last_cmd_resp_index", item_size(last_cmd_resp_index), | |
103 | item_addr(last_cmd_resp_index), 1}, | |
104 | {"last_event", item_size(last_event), | |
105 | item_addr(last_event), DBG_CMD_NUM}, | |
106 | {"last_event_index", item_size(last_event_index), | |
107 | item_addr(last_event_index), 1}, | |
108 | {"num_cmd_h2c_fail", item_size(num_cmd_host_to_card_failure), | |
109 | item_addr(num_cmd_host_to_card_failure), 1}, | |
110 | {"num_cmd_sleep_cfm_fail", | |
111 | item_size(num_cmd_sleep_cfm_host_to_card_failure), | |
112 | item_addr(num_cmd_sleep_cfm_host_to_card_failure), 1}, | |
113 | {"num_tx_h2c_fail", item_size(num_tx_host_to_card_failure), | |
114 | item_addr(num_tx_host_to_card_failure), 1}, | |
115 | {"num_evt_deauth", item_size(num_event_deauth), | |
116 | item_addr(num_event_deauth), 1}, | |
117 | {"num_evt_disassoc", item_size(num_event_disassoc), | |
118 | item_addr(num_event_disassoc), 1}, | |
119 | {"num_evt_link_lost", item_size(num_event_link_lost), | |
120 | item_addr(num_event_link_lost), 1}, | |
121 | {"num_cmd_deauth", item_size(num_cmd_deauth), | |
122 | item_addr(num_cmd_deauth), 1}, | |
123 | {"num_cmd_assoc_ok", item_size(num_cmd_assoc_success), | |
124 | item_addr(num_cmd_assoc_success), 1}, | |
125 | {"num_cmd_assoc_fail", item_size(num_cmd_assoc_failure), | |
126 | item_addr(num_cmd_assoc_failure), 1}, | |
127 | {"cmd_sent", item_size(cmd_sent), | |
128 | item_addr(cmd_sent), 1}, | |
129 | {"data_sent", item_size(data_sent), | |
130 | item_addr(data_sent), 1}, | |
131 | {"cmd_resp_received", item_size(cmd_resp_received), | |
132 | item_addr(cmd_resp_received), 1}, | |
133 | {"event_received", item_size(event_received), | |
134 | item_addr(event_received), 1}, | |
135 | ||
136 | /* variables defined in struct mwifiex_adapter */ | |
600f5d90 AK |
137 | {"cmd_pending", adapter_item_size(cmd_pending), |
138 | adapter_item_addr(cmd_pending), 1}, | |
5e6e3a92 BZ |
139 | {"tx_pending", adapter_item_size(tx_pending), |
140 | adapter_item_addr(tx_pending), 1}, | |
141 | {"rx_pending", adapter_item_size(rx_pending), | |
142 | adapter_item_addr(rx_pending), 1}, | |
143 | }; | |
144 | ||
145 | static int num_of_items = ARRAY_SIZE(items); | |
146 | ||
5e6e3a92 BZ |
147 | /* |
148 | * Proc info file read handler. | |
149 | * | |
150 | * This function is called when the 'info' file is opened for reading. | |
151 | * It prints the following driver related information - | |
152 | * - Driver name | |
153 | * - Driver version | |
154 | * - Driver extended version | |
155 | * - Interface name | |
156 | * - BSS mode | |
157 | * - Media state (connected or disconnected) | |
158 | * - MAC address | |
159 | * - Total number of Tx bytes | |
160 | * - Total number of Rx bytes | |
161 | * - Total number of Tx packets | |
162 | * - Total number of Rx packets | |
163 | * - Total number of dropped Tx packets | |
164 | * - Total number of dropped Rx packets | |
165 | * - Total number of corrupted Tx packets | |
166 | * - Total number of corrupted Rx packets | |
167 | * - Carrier status (on or off) | |
168 | * - Tx queue status (started or stopped) | |
169 | * | |
170 | * For STA mode drivers, it also prints the following extra - | |
171 | * - ESSID | |
172 | * - BSSID | |
173 | * - Channel | |
174 | * - Region code | |
175 | * - Multicast count | |
176 | * - Multicast addresses | |
177 | */ | |
178 | static ssize_t | |
179 | mwifiex_info_read(struct file *file, char __user *ubuf, | |
180 | size_t count, loff_t *ppos) | |
181 | { | |
182 | struct mwifiex_private *priv = | |
183 | (struct mwifiex_private *) file->private_data; | |
184 | struct net_device *netdev = priv->netdev; | |
185 | struct netdev_hw_addr *ha; | |
47411a06 | 186 | struct netdev_queue *txq; |
5e6e3a92 BZ |
187 | unsigned long page = get_zeroed_page(GFP_KERNEL); |
188 | char *p = (char *) page, fmt[64]; | |
189 | struct mwifiex_bss_info info; | |
270e58e8 | 190 | ssize_t ret; |
5e6e3a92 BZ |
191 | int i = 0; |
192 | ||
193 | if (!p) | |
194 | return -ENOMEM; | |
195 | ||
196 | memset(&info, 0, sizeof(info)); | |
197 | ret = mwifiex_get_bss_info(priv, &info); | |
198 | if (ret) | |
199 | goto free_and_exit; | |
200 | ||
201 | mwifiex_drv_get_driver_version(priv->adapter, fmt, sizeof(fmt) - 1); | |
202 | ||
203 | if (!priv->version_str[0]) | |
204 | mwifiex_get_ver_ext(priv); | |
205 | ||
206 | p += sprintf(p, "driver_name = " "\"mwifiex\"\n"); | |
207 | p += sprintf(p, "driver_version = %s", fmt); | |
208 | p += sprintf(p, "\nverext = %s", priv->version_str); | |
209 | p += sprintf(p, "\ninterface_name=\"%s\"\n", netdev->name); | |
f873ded2 MG |
210 | |
211 | if (info.bss_mode >= ARRAY_SIZE(bss_modes)) | |
212 | p += sprintf(p, "bss_mode=\"%d\"\n", info.bss_mode); | |
213 | else | |
214 | p += sprintf(p, "bss_mode=\"%s\"\n", bss_modes[info.bss_mode]); | |
215 | ||
5e6e3a92 BZ |
216 | p += sprintf(p, "media_state=\"%s\"\n", |
217 | (!priv->media_connected ? "Disconnected" : "Connected")); | |
037b559a | 218 | p += sprintf(p, "mac_address=\"%pM\"\n", netdev->dev_addr); |
5e6e3a92 BZ |
219 | |
220 | if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) { | |
221 | p += sprintf(p, "multicast_count=\"%d\"\n", | |
222 | netdev_mc_count(netdev)); | |
223 | p += sprintf(p, "essid=\"%s\"\n", info.ssid.ssid); | |
037b559a | 224 | p += sprintf(p, "bssid=\"%pM\"\n", info.bssid); |
5e6e3a92 | 225 | p += sprintf(p, "channel=\"%d\"\n", (int) info.bss_chan); |
5e218b7a | 226 | p += sprintf(p, "country_code = \"%s\"\n", info.country_code); |
5e6e3a92 BZ |
227 | |
228 | netdev_for_each_mc_addr(ha, netdev) | |
037b559a AS |
229 | p += sprintf(p, "multicast_address[%d]=\"%pM\"\n", |
230 | i++, ha->addr); | |
5e6e3a92 BZ |
231 | } |
232 | ||
233 | p += sprintf(p, "num_tx_bytes = %lu\n", priv->stats.tx_bytes); | |
234 | p += sprintf(p, "num_rx_bytes = %lu\n", priv->stats.rx_bytes); | |
235 | p += sprintf(p, "num_tx_pkts = %lu\n", priv->stats.tx_packets); | |
236 | p += sprintf(p, "num_rx_pkts = %lu\n", priv->stats.rx_packets); | |
237 | p += sprintf(p, "num_tx_pkts_dropped = %lu\n", priv->stats.tx_dropped); | |
238 | p += sprintf(p, "num_rx_pkts_dropped = %lu\n", priv->stats.rx_dropped); | |
239 | p += sprintf(p, "num_tx_pkts_err = %lu\n", priv->stats.tx_errors); | |
240 | p += sprintf(p, "num_rx_pkts_err = %lu\n", priv->stats.rx_errors); | |
241 | p += sprintf(p, "carrier %s\n", ((netif_carrier_ok(priv->netdev)) | |
242 | ? "on" : "off")); | |
47411a06 AP |
243 | p += sprintf(p, "tx queue"); |
244 | for (i = 0; i < netdev->num_tx_queues; i++) { | |
245 | txq = netdev_get_tx_queue(netdev, i); | |
246 | p += sprintf(p, " %d:%s", i, netif_tx_queue_stopped(txq) ? | |
247 | "stopped" : "started"); | |
248 | } | |
249 | p += sprintf(p, "\n"); | |
5e6e3a92 BZ |
250 | |
251 | ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page, | |
252 | (unsigned long) p - page); | |
253 | ||
254 | free_and_exit: | |
255 | free_page(page); | |
256 | return ret; | |
257 | } | |
258 | ||
1c09bf68 AK |
259 | /* |
260 | * Proc firmware dump read handler. | |
261 | * | |
262 | * This function is called when the 'fw_dump' file is opened for | |
263 | * reading. | |
264 | * This function dumps firmware memory in different files | |
265 | * (ex. DTCM, ITCM, SQRAM etc.) based on the the segments for | |
266 | * debugging. | |
267 | */ | |
268 | static ssize_t | |
269 | mwifiex_fw_dump_read(struct file *file, char __user *ubuf, | |
270 | size_t count, loff_t *ppos) | |
271 | { | |
272 | struct mwifiex_private *priv = file->private_data; | |
273 | ||
274 | if (!priv->adapter->if_ops.fw_dump) | |
275 | return -EIO; | |
276 | ||
277 | priv->adapter->if_ops.fw_dump(priv->adapter); | |
278 | ||
279 | return 0; | |
280 | } | |
281 | ||
5e6e3a92 BZ |
282 | /* |
283 | * Proc getlog file read handler. | |
284 | * | |
285 | * This function is called when the 'getlog' file is opened for reading | |
286 | * It prints the following log information - | |
287 | * - Number of multicast Tx frames | |
288 | * - Number of failed packets | |
289 | * - Number of Tx retries | |
290 | * - Number of multicast Tx retries | |
291 | * - Number of duplicate frames | |
292 | * - Number of RTS successes | |
293 | * - Number of RTS failures | |
294 | * - Number of ACK failures | |
295 | * - Number of fragmented Rx frames | |
296 | * - Number of multicast Rx frames | |
297 | * - Number of FCS errors | |
298 | * - Number of Tx frames | |
299 | * - WEP ICV error counts | |
300 | */ | |
301 | static ssize_t | |
302 | mwifiex_getlog_read(struct file *file, char __user *ubuf, | |
303 | size_t count, loff_t *ppos) | |
304 | { | |
305 | struct mwifiex_private *priv = | |
306 | (struct mwifiex_private *) file->private_data; | |
307 | unsigned long page = get_zeroed_page(GFP_KERNEL); | |
308 | char *p = (char *) page; | |
270e58e8 | 309 | ssize_t ret; |
5e6e3a92 BZ |
310 | struct mwifiex_ds_get_stats stats; |
311 | ||
312 | if (!p) | |
313 | return -ENOMEM; | |
314 | ||
315 | memset(&stats, 0, sizeof(stats)); | |
316 | ret = mwifiex_get_stats_info(priv, &stats); | |
317 | if (ret) | |
318 | goto free_and_exit; | |
319 | ||
320 | p += sprintf(p, "\n" | |
321 | "mcasttxframe %u\n" | |
322 | "failed %u\n" | |
323 | "retry %u\n" | |
324 | "multiretry %u\n" | |
325 | "framedup %u\n" | |
326 | "rtssuccess %u\n" | |
327 | "rtsfailure %u\n" | |
328 | "ackfailure %u\n" | |
329 | "rxfrag %u\n" | |
330 | "mcastrxframe %u\n" | |
331 | "fcserror %u\n" | |
332 | "txframe %u\n" | |
333 | "wepicverrcnt-1 %u\n" | |
334 | "wepicverrcnt-2 %u\n" | |
335 | "wepicverrcnt-3 %u\n" | |
336 | "wepicverrcnt-4 %u\n", | |
337 | stats.mcast_tx_frame, | |
338 | stats.failed, | |
339 | stats.retry, | |
340 | stats.multi_retry, | |
341 | stats.frame_dup, | |
342 | stats.rts_success, | |
343 | stats.rts_failure, | |
344 | stats.ack_failure, | |
345 | stats.rx_frag, | |
346 | stats.mcast_rx_frame, | |
347 | stats.fcs_error, | |
348 | stats.tx_frame, | |
349 | stats.wep_icv_error[0], | |
350 | stats.wep_icv_error[1], | |
351 | stats.wep_icv_error[2], | |
352 | stats.wep_icv_error[3]); | |
353 | ||
354 | ||
355 | ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page, | |
356 | (unsigned long) p - page); | |
357 | ||
358 | free_and_exit: | |
359 | free_page(page); | |
360 | return ret; | |
361 | } | |
362 | ||
363 | static struct mwifiex_debug_info info; | |
364 | ||
365 | /* | |
366 | * Proc debug file read handler. | |
367 | * | |
368 | * This function is called when the 'debug' file is opened for reading | |
369 | * It prints the following log information - | |
370 | * - Interrupt count | |
371 | * - WMM AC VO packets count | |
372 | * - WMM AC VI packets count | |
373 | * - WMM AC BE packets count | |
374 | * - WMM AC BK packets count | |
375 | * - Maximum Tx buffer size | |
376 | * - Tx buffer size | |
377 | * - Current Tx buffer size | |
378 | * - Power Save mode | |
379 | * - Power Save state | |
380 | * - Deep Sleep status | |
381 | * - Device wakeup required status | |
382 | * - Number of wakeup tries | |
383 | * - Host Sleep configured status | |
384 | * - Host Sleep activated status | |
385 | * - Number of Tx timeouts | |
386 | * - Number of command timeouts | |
387 | * - Last timed out command ID | |
388 | * - Last timed out command action | |
389 | * - Last command ID | |
390 | * - Last command action | |
391 | * - Last command index | |
392 | * - Last command response ID | |
393 | * - Last command response index | |
394 | * - Last event | |
395 | * - Last event index | |
396 | * - Number of host to card command failures | |
397 | * - Number of sleep confirm command failures | |
398 | * - Number of host to card data failure | |
399 | * - Number of deauthentication events | |
400 | * - Number of disassociation events | |
401 | * - Number of link lost events | |
402 | * - Number of deauthentication commands | |
403 | * - Number of association success commands | |
404 | * - Number of association failure commands | |
405 | * - Number of commands sent | |
406 | * - Number of data packets sent | |
407 | * - Number of command responses received | |
408 | * - Number of events received | |
409 | * - Tx BA stream table (TID, RA) | |
410 | * - Rx reorder table (TID, TA, Start window, Window size, Buffer) | |
411 | */ | |
412 | static ssize_t | |
413 | mwifiex_debug_read(struct file *file, char __user *ubuf, | |
414 | size_t count, loff_t *ppos) | |
415 | { | |
416 | struct mwifiex_private *priv = | |
417 | (struct mwifiex_private *) file->private_data; | |
418 | struct mwifiex_debug_data *d = &items[0]; | |
419 | unsigned long page = get_zeroed_page(GFP_KERNEL); | |
420 | char *p = (char *) page; | |
270e58e8 | 421 | ssize_t ret; |
5e6e3a92 BZ |
422 | size_t size, addr; |
423 | long val; | |
424 | int i, j; | |
425 | ||
426 | if (!p) | |
427 | return -ENOMEM; | |
428 | ||
429 | ret = mwifiex_get_debug_info(priv, &info); | |
430 | if (ret) | |
431 | goto free_and_exit; | |
432 | ||
433 | for (i = 0; i < num_of_items; i++) { | |
434 | p += sprintf(p, "%s=", d[i].name); | |
435 | ||
436 | size = d[i].size / d[i].num; | |
437 | ||
438 | if (i < (num_of_items - 3)) | |
439 | addr = d[i].addr + (size_t) &info; | |
440 | else /* The last 3 items are struct mwifiex_adapter variables */ | |
441 | addr = d[i].addr + (size_t) priv->adapter; | |
442 | ||
443 | for (j = 0; j < d[i].num; j++) { | |
444 | switch (size) { | |
445 | case 1: | |
446 | val = *((u8 *) addr); | |
447 | break; | |
448 | case 2: | |
449 | val = *((u16 *) addr); | |
450 | break; | |
451 | case 4: | |
452 | val = *((u32 *) addr); | |
453 | break; | |
454 | case 8: | |
455 | val = *((long long *) addr); | |
456 | break; | |
457 | default: | |
458 | val = -1; | |
459 | break; | |
460 | } | |
461 | ||
462 | p += sprintf(p, "%#lx ", val); | |
463 | addr += size; | |
464 | } | |
465 | ||
466 | p += sprintf(p, "\n"); | |
467 | } | |
468 | ||
469 | if (info.tx_tbl_num) { | |
470 | p += sprintf(p, "Tx BA stream table:\n"); | |
471 | for (i = 0; i < info.tx_tbl_num; i++) | |
037b559a AS |
472 | p += sprintf(p, "tid = %d, ra = %pM\n", |
473 | info.tx_tbl[i].tid, info.tx_tbl[i].ra); | |
5e6e3a92 BZ |
474 | } |
475 | ||
476 | if (info.rx_tbl_num) { | |
477 | p += sprintf(p, "Rx reorder table:\n"); | |
478 | for (i = 0; i < info.rx_tbl_num; i++) { | |
037b559a | 479 | p += sprintf(p, "tid = %d, ta = %pM, " |
5e6e3a92 BZ |
480 | "start_win = %d, " |
481 | "win_size = %d, buffer: ", | |
482 | info.rx_tbl[i].tid, | |
037b559a | 483 | info.rx_tbl[i].ta, |
5e6e3a92 BZ |
484 | info.rx_tbl[i].start_win, |
485 | info.rx_tbl[i].win_size); | |
486 | ||
487 | for (j = 0; j < info.rx_tbl[i].win_size; j++) | |
488 | p += sprintf(p, "%c ", | |
489 | info.rx_tbl[i].buffer[j] ? | |
490 | '1' : '0'); | |
491 | ||
492 | p += sprintf(p, "\n"); | |
493 | } | |
494 | } | |
495 | ||
496 | ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page, | |
497 | (unsigned long) p - page); | |
498 | ||
499 | free_and_exit: | |
500 | free_page(page); | |
501 | return ret; | |
502 | } | |
503 | ||
504 | static u32 saved_reg_type, saved_reg_offset, saved_reg_value; | |
505 | ||
506 | /* | |
507 | * Proc regrdwr file write handler. | |
508 | * | |
509 | * This function is called when the 'regrdwr' file is opened for writing | |
510 | * | |
511 | * This function can be used to write to a register. | |
512 | */ | |
513 | static ssize_t | |
514 | mwifiex_regrdwr_write(struct file *file, | |
515 | const char __user *ubuf, size_t count, loff_t *ppos) | |
516 | { | |
517 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
518 | char *buf = (char *) addr; | |
c8e49556 | 519 | size_t buf_size = min_t(size_t, count, PAGE_SIZE - 1); |
270e58e8 | 520 | int ret; |
5e6e3a92 BZ |
521 | u32 reg_type = 0, reg_offset = 0, reg_value = UINT_MAX; |
522 | ||
523 | if (!buf) | |
524 | return -ENOMEM; | |
525 | ||
526 | ||
527 | if (copy_from_user(buf, ubuf, buf_size)) { | |
528 | ret = -EFAULT; | |
529 | goto done; | |
530 | } | |
531 | ||
532 | sscanf(buf, "%u %x %x", ®_type, ®_offset, ®_value); | |
533 | ||
534 | if (reg_type == 0 || reg_offset == 0) { | |
535 | ret = -EINVAL; | |
536 | goto done; | |
537 | } else { | |
538 | saved_reg_type = reg_type; | |
539 | saved_reg_offset = reg_offset; | |
540 | saved_reg_value = reg_value; | |
541 | ret = count; | |
542 | } | |
543 | done: | |
544 | free_page(addr); | |
545 | return ret; | |
546 | } | |
547 | ||
548 | /* | |
549 | * Proc regrdwr file read handler. | |
550 | * | |
551 | * This function is called when the 'regrdwr' file is opened for reading | |
552 | * | |
553 | * This function can be used to read from a register. | |
554 | */ | |
555 | static ssize_t | |
556 | mwifiex_regrdwr_read(struct file *file, char __user *ubuf, | |
557 | size_t count, loff_t *ppos) | |
558 | { | |
559 | struct mwifiex_private *priv = | |
560 | (struct mwifiex_private *) file->private_data; | |
561 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
562 | char *buf = (char *) addr; | |
563 | int pos = 0, ret = 0; | |
564 | u32 reg_value; | |
565 | ||
566 | if (!buf) | |
567 | return -ENOMEM; | |
568 | ||
569 | if (!saved_reg_type) { | |
570 | /* No command has been given */ | |
571 | pos += snprintf(buf, PAGE_SIZE, "0"); | |
572 | goto done; | |
573 | } | |
574 | /* Set command has been given */ | |
575 | if (saved_reg_value != UINT_MAX) { | |
576 | ret = mwifiex_reg_write(priv, saved_reg_type, saved_reg_offset, | |
577 | saved_reg_value); | |
578 | ||
579 | pos += snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", | |
580 | saved_reg_type, saved_reg_offset, | |
581 | saved_reg_value); | |
582 | ||
583 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
584 | ||
585 | goto done; | |
586 | } | |
587 | /* Get command has been given */ | |
588 | ret = mwifiex_reg_read(priv, saved_reg_type, | |
589 | saved_reg_offset, ®_value); | |
590 | if (ret) { | |
591 | ret = -EINVAL; | |
592 | goto done; | |
593 | } | |
594 | ||
595 | pos += snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", saved_reg_type, | |
596 | saved_reg_offset, reg_value); | |
597 | ||
598 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
599 | ||
600 | done: | |
601 | free_page(addr); | |
602 | return ret; | |
603 | } | |
604 | ||
605 | static u32 saved_offset = -1, saved_bytes = -1; | |
606 | ||
607 | /* | |
608 | * Proc rdeeprom file write handler. | |
609 | * | |
610 | * This function is called when the 'rdeeprom' file is opened for writing | |
611 | * | |
612 | * This function can be used to write to a RDEEPROM location. | |
613 | */ | |
614 | static ssize_t | |
615 | mwifiex_rdeeprom_write(struct file *file, | |
616 | const char __user *ubuf, size_t count, loff_t *ppos) | |
617 | { | |
618 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
619 | char *buf = (char *) addr; | |
c8e49556 | 620 | size_t buf_size = min_t(size_t, count, PAGE_SIZE - 1); |
5e6e3a92 BZ |
621 | int ret = 0; |
622 | int offset = -1, bytes = -1; | |
623 | ||
624 | if (!buf) | |
625 | return -ENOMEM; | |
626 | ||
627 | ||
628 | if (copy_from_user(buf, ubuf, buf_size)) { | |
629 | ret = -EFAULT; | |
630 | goto done; | |
631 | } | |
632 | ||
633 | sscanf(buf, "%d %d", &offset, &bytes); | |
634 | ||
635 | if (offset == -1 || bytes == -1) { | |
636 | ret = -EINVAL; | |
637 | goto done; | |
638 | } else { | |
639 | saved_offset = offset; | |
640 | saved_bytes = bytes; | |
641 | ret = count; | |
642 | } | |
643 | done: | |
644 | free_page(addr); | |
645 | return ret; | |
646 | } | |
647 | ||
648 | /* | |
649 | * Proc rdeeprom read write handler. | |
650 | * | |
651 | * This function is called when the 'rdeeprom' file is opened for reading | |
652 | * | |
653 | * This function can be used to read from a RDEEPROM location. | |
654 | */ | |
655 | static ssize_t | |
656 | mwifiex_rdeeprom_read(struct file *file, char __user *ubuf, | |
657 | size_t count, loff_t *ppos) | |
658 | { | |
659 | struct mwifiex_private *priv = | |
660 | (struct mwifiex_private *) file->private_data; | |
661 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
662 | char *buf = (char *) addr; | |
270e58e8 | 663 | int pos = 0, ret = 0, i; |
5e6e3a92 BZ |
664 | u8 value[MAX_EEPROM_DATA]; |
665 | ||
666 | if (!buf) | |
667 | return -ENOMEM; | |
668 | ||
669 | if (saved_offset == -1) { | |
670 | /* No command has been given */ | |
671 | pos += snprintf(buf, PAGE_SIZE, "0"); | |
672 | goto done; | |
673 | } | |
674 | ||
675 | /* Get command has been given */ | |
676 | ret = mwifiex_eeprom_read(priv, (u16) saved_offset, | |
677 | (u16) saved_bytes, value); | |
678 | if (ret) { | |
679 | ret = -EINVAL; | |
680 | goto done; | |
681 | } | |
682 | ||
683 | pos += snprintf(buf, PAGE_SIZE, "%d %d ", saved_offset, saved_bytes); | |
684 | ||
685 | for (i = 0; i < saved_bytes; i++) | |
686 | pos += snprintf(buf + strlen(buf), PAGE_SIZE, "%d ", value[i]); | |
687 | ||
688 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
689 | ||
690 | done: | |
691 | free_page(addr); | |
692 | return ret; | |
693 | } | |
694 | ||
937a5045 XH |
695 | /* Proc hscfg file write handler |
696 | * This function can be used to configure the host sleep parameters. | |
697 | */ | |
698 | static ssize_t | |
699 | mwifiex_hscfg_write(struct file *file, const char __user *ubuf, | |
700 | size_t count, loff_t *ppos) | |
701 | { | |
702 | struct mwifiex_private *priv = (void *)file->private_data; | |
703 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
704 | char *buf = (char *)addr; | |
705 | size_t buf_size = min_t(size_t, count, PAGE_SIZE - 1); | |
706 | int ret, arg_num; | |
707 | struct mwifiex_ds_hs_cfg hscfg; | |
708 | int conditions = HS_CFG_COND_DEF; | |
709 | u32 gpio = HS_CFG_GPIO_DEF, gap = HS_CFG_GAP_DEF; | |
710 | ||
711 | if (!buf) | |
712 | return -ENOMEM; | |
713 | ||
714 | if (copy_from_user(buf, ubuf, buf_size)) { | |
715 | ret = -EFAULT; | |
716 | goto done; | |
717 | } | |
718 | ||
719 | arg_num = sscanf(buf, "%d %x %x", &conditions, &gpio, &gap); | |
720 | ||
721 | memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg)); | |
722 | ||
723 | if (arg_num > 3) { | |
724 | dev_err(priv->adapter->dev, "Too many arguments\n"); | |
725 | ret = -EINVAL; | |
726 | goto done; | |
727 | } | |
728 | ||
729 | if (arg_num >= 1 && arg_num < 3) | |
730 | mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_GET, | |
731 | MWIFIEX_SYNC_CMD, &hscfg); | |
732 | ||
733 | if (arg_num) { | |
734 | if (conditions == HS_CFG_CANCEL) { | |
735 | mwifiex_cancel_hs(priv, MWIFIEX_ASYNC_CMD); | |
736 | ret = count; | |
737 | goto done; | |
738 | } | |
739 | hscfg.conditions = conditions; | |
740 | } | |
741 | if (arg_num >= 2) | |
742 | hscfg.gpio = gpio; | |
743 | if (arg_num == 3) | |
744 | hscfg.gap = gap; | |
745 | ||
746 | hscfg.is_invoke_hostcmd = false; | |
747 | mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET, | |
748 | MWIFIEX_SYNC_CMD, &hscfg); | |
749 | ||
750 | mwifiex_enable_hs(priv->adapter); | |
751 | priv->adapter->hs_enabling = false; | |
752 | ret = count; | |
753 | done: | |
754 | free_page(addr); | |
755 | return ret; | |
756 | } | |
757 | ||
758 | /* Proc hscfg file read handler | |
759 | * This function can be used to read host sleep configuration | |
760 | * parameters from driver. | |
761 | */ | |
762 | static ssize_t | |
763 | mwifiex_hscfg_read(struct file *file, char __user *ubuf, | |
764 | size_t count, loff_t *ppos) | |
765 | { | |
766 | struct mwifiex_private *priv = (void *)file->private_data; | |
767 | unsigned long addr = get_zeroed_page(GFP_KERNEL); | |
768 | char *buf = (char *)addr; | |
769 | int pos, ret; | |
770 | struct mwifiex_ds_hs_cfg hscfg; | |
771 | ||
772 | if (!buf) | |
773 | return -ENOMEM; | |
774 | ||
775 | mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_GET, | |
776 | MWIFIEX_SYNC_CMD, &hscfg); | |
777 | ||
778 | pos = snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", hscfg.conditions, | |
779 | hscfg.gpio, hscfg.gap); | |
780 | ||
781 | ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); | |
782 | ||
783 | free_page(addr); | |
784 | return ret; | |
785 | } | |
5e6e3a92 BZ |
786 | |
787 | #define MWIFIEX_DFS_ADD_FILE(name) do { \ | |
788 | if (!debugfs_create_file(#name, 0644, priv->dfs_dev_dir, \ | |
789 | priv, &mwifiex_dfs_##name##_fops)) \ | |
790 | return; \ | |
791 | } while (0); | |
792 | ||
793 | #define MWIFIEX_DFS_FILE_OPS(name) \ | |
794 | static const struct file_operations mwifiex_dfs_##name##_fops = { \ | |
795 | .read = mwifiex_##name##_read, \ | |
796 | .write = mwifiex_##name##_write, \ | |
234e3405 | 797 | .open = simple_open, \ |
5e6e3a92 BZ |
798 | }; |
799 | ||
800 | #define MWIFIEX_DFS_FILE_READ_OPS(name) \ | |
801 | static const struct file_operations mwifiex_dfs_##name##_fops = { \ | |
802 | .read = mwifiex_##name##_read, \ | |
234e3405 | 803 | .open = simple_open, \ |
5e6e3a92 BZ |
804 | }; |
805 | ||
806 | #define MWIFIEX_DFS_FILE_WRITE_OPS(name) \ | |
807 | static const struct file_operations mwifiex_dfs_##name##_fops = { \ | |
808 | .write = mwifiex_##name##_write, \ | |
234e3405 | 809 | .open = simple_open, \ |
5e6e3a92 BZ |
810 | }; |
811 | ||
812 | ||
813 | MWIFIEX_DFS_FILE_READ_OPS(info); | |
814 | MWIFIEX_DFS_FILE_READ_OPS(debug); | |
815 | MWIFIEX_DFS_FILE_READ_OPS(getlog); | |
1c09bf68 | 816 | MWIFIEX_DFS_FILE_READ_OPS(fw_dump); |
5e6e3a92 BZ |
817 | MWIFIEX_DFS_FILE_OPS(regrdwr); |
818 | MWIFIEX_DFS_FILE_OPS(rdeeprom); | |
937a5045 | 819 | MWIFIEX_DFS_FILE_OPS(hscfg); |
5e6e3a92 BZ |
820 | |
821 | /* | |
822 | * This function creates the debug FS directory structure and the files. | |
823 | */ | |
824 | void | |
825 | mwifiex_dev_debugfs_init(struct mwifiex_private *priv) | |
826 | { | |
827 | if (!mwifiex_dfs_dir || !priv) | |
828 | return; | |
829 | ||
830 | priv->dfs_dev_dir = debugfs_create_dir(priv->netdev->name, | |
831 | mwifiex_dfs_dir); | |
832 | ||
833 | if (!priv->dfs_dev_dir) | |
834 | return; | |
835 | ||
836 | MWIFIEX_DFS_ADD_FILE(info); | |
837 | MWIFIEX_DFS_ADD_FILE(debug); | |
838 | MWIFIEX_DFS_ADD_FILE(getlog); | |
839 | MWIFIEX_DFS_ADD_FILE(regrdwr); | |
840 | MWIFIEX_DFS_ADD_FILE(rdeeprom); | |
1c09bf68 | 841 | MWIFIEX_DFS_ADD_FILE(fw_dump); |
937a5045 | 842 | MWIFIEX_DFS_ADD_FILE(hscfg); |
5e6e3a92 BZ |
843 | } |
844 | ||
845 | /* | |
846 | * This function removes the debug FS directory structure and the files. | |
847 | */ | |
848 | void | |
849 | mwifiex_dev_debugfs_remove(struct mwifiex_private *priv) | |
850 | { | |
851 | if (!priv) | |
852 | return; | |
853 | ||
854 | debugfs_remove_recursive(priv->dfs_dev_dir); | |
5e6e3a92 BZ |
855 | } |
856 | ||
857 | /* | |
858 | * This function creates the top level proc directory. | |
859 | */ | |
860 | void | |
861 | mwifiex_debugfs_init(void) | |
862 | { | |
863 | if (!mwifiex_dfs_dir) | |
864 | mwifiex_dfs_dir = debugfs_create_dir("mwifiex", NULL); | |
865 | } | |
866 | ||
867 | /* | |
868 | * This function removes the top level proc directory. | |
869 | */ | |
870 | void | |
871 | mwifiex_debugfs_remove(void) | |
872 | { | |
873 | if (mwifiex_dfs_dir) | |
874 | debugfs_remove(mwifiex_dfs_dir); | |
875 | } |